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17 lines
639 B
17 lines
639 B
var $ = require('../internals/export'); |
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var isObject = require('../internals/is-object'); |
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var onFreeze = require('../internals/internal-metadata').onFreeze; |
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var FREEZING = require('../internals/freezing'); |
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var fails = require('../internals/fails'); |
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// eslint-disable-next-line es/no-object-seal -- safe |
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var $seal = Object.seal; |
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var FAILS_ON_PRIMITIVES = fails(function () { $seal(1); }); |
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// `Object.seal` method |
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// https://tc39.es/ecma262/#sec-object.seal |
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$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES, sham: !FREEZING }, { |
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seal: function seal(it) { |
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return $seal && isObject(it) ? $seal(onFreeze(it)) : it; |
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} |
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});
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